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From: =?UTF-8?Q?Arne_Vajh=C3=B8j?= <arne@vajhoej.dk>
Newsgroups: comp.os.vms
Subject: Re: Apache + mod_php performance
Date: Fri, 27 Sep 2024 22:13:09 -0400
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On 9/27/2024 10:01 PM, Lawrence D'Oliveiro wrote:
> On Fri, 27 Sep 2024 21:58:57 -0400, Arne Vajhøj wrote:
>> On 9/27/2024 9:54 PM, Lawrence D'Oliveiro wrote:
>>> On Fri, 27 Sep 2024 20:13:01 -0400, Arne Vajhøj wrote:
>>>> But running application and database on same system is not an option
>>>> if it is a high volume solution ...
>>>
>>> Of course it’s an option. Performance is a tradeoff between conflicting
>>> system parameters.
>>
>> If volume requires sharding then ...
> 
> “Sharding” means “split across multiple physical persistent storage”.

It means that you have N active database servers each with 1/N of the
data (possible with replication to N or 2N passive database servers).

Arne